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    Electrically conductive compositions, methods of manufacture thereof and articles derived from such compositions
    1.
    发明申请
    Electrically conductive compositions, methods of manufacture thereof and articles derived from such compositions 审中-公开
    导电组合物，其制造方法和衍生自这些组合物的制品

    公开(公告)号：US20050070658A1

    公开(公告)日：2005-03-31

    申请号：US10675108

    申请日：2003-09-30

    Applicant: Soumyadeb Ghosh ,  Sumanda Bandyopadhyay

    Inventor： Soumyadeb Ghosh ,  Sumanda Bandyopadhyay

    IPC: C08K3/04 ,  C08K7/06 ,  F25D21/08 ,  H01B1/24 ,  H05B3/10

    CPC classification number: B82Y30/00 ,  F25D21/08 ,  H05B2214/04

    Abstract: Disclosed herein is a conductive composition comprising an organic polymer; graphite; and a nanosized conductive filler and/or carbon fibers having a diameter of greater than or equal to about 1000 nanometers. Disclosed herein too is a method for manufacturing a composition comprising blending an organic polymer; graphite; and a nanosized conductive filler, wherein the composition has an electrical volume resistivity less than or equal to about 10e8 ohm-cm.

    Abstract translation: 本文公开了包含有机聚合物的导电组合物; 石墨; 以及直径大于或等于约1000纳米的纳米尺寸的导电填料和/或碳纤维。 本文也公开了制备包含共混有机聚合物的组合物的方法; 石墨; 和纳米尺寸的导电填料，其中该组合物具有小于或等于约10e 8欧姆 - 厘米的电体积电阻率。

    Dry ice assisted polymer processing, methods for making, and articles formed thereof
    6.
    发明授权
    Dry ice assisted polymer processing, methods for making, and articles formed thereof 有权
    干冰辅助聚合物加工，制造方法和由其形成的制品

    公开(公告)号：US09458296B2

    公开(公告)日：2016-10-04

    申请号：US13602460

    申请日：2012-09-04

    Applicant: Sumanda Bandyopadhyay ,  Sadasivam Gopalakrishnan ,  Sathish Ranganathan Kumar ,  Kaushik Banik ,  Zahir Bashir

    Inventor： Sumanda Bandyopadhyay ,  Sadasivam Gopalakrishnan ,  Sathish Ranganathan Kumar ,  Kaushik Banik ,  Zahir Bashir

    IPC: B29C47/76 ,  C08J3/20 ,  B29C47/38

    CPC classification number: C08J3/203 ,  B29C47/38

    Abstract: In an embodiment, a method of processing a polymer comprises: mixing polymer and solid carbon dioxide; introducing the polymer and solid carbon dioxide mixture to a hopper of a vented extruder; plasticizing the mixture to form a polymer melt with dissolved carbon dioxide; venting carbon dioxide as a gas before the die exit; and extruding the polymer melt through a die. In an embodiment, a method of making an article comprises: introducing a polymer powder to an extruder; introducing solid carbon dioxide powder to the extruder at the hopper; plasticizing and extruding the polymer and solid carbon dioxide mixture; venting the solid carbon dioxide before the die exit; extruding the polymer melt through a die to form pellets; and injection molding the polymer pellets without solid carbon dioxide to form molded articles.

    Abstract translation: 在一个实施方案中，处理聚合物的方法包括：混合聚合物和固体二氧化碳; 将聚合物和固体二氧化碳混合物引入通风挤出机的料斗; 使混合物增塑以形成具有溶解的二氧化碳的聚合物熔体; 在模具出口之前排出二氧化碳作为气体; 并通过模具挤出聚合物熔体。 在一个实施方案中，制备制品的方法包括：将聚合物粉末引入挤出机; 将固体二氧化碳粉末引入料斗的挤出机; 塑化和挤出聚合物和固体二氧化碳混合物; 在模具出口之前排出固体二氧化碳; 通过模头挤出聚合物熔体以形成颗粒; 并注射成型聚合物颗粒而不含固体二氧化碳以形成模塑制品。

    ELECTRICALLY CONDUCTING COMPOSITIONS
    7.
    发明申请
    ELECTRICALLY CONDUCTING COMPOSITIONS 有权
    电导体组成

    公开(公告)号：US20080116424A1

    公开(公告)日：2008-05-22

    申请号：US11942766

    申请日：2007-11-20

    Applicant: Sumanda Bandyopadhyay ,  Vishwasrao Vasant Gawade ,  Soumyadeb Ghosh ,  Ramya Kumaraswamy ,  Franciscus Petrus Maria Mercx ,  Suchetana Shetty

    Inventor： Sumanda Bandyopadhyay ,  Vishwasrao Vasant Gawade ,  Soumyadeb Ghosh ,  Ramya Kumaraswamy ,  Franciscus Petrus Maria Mercx ,  Suchetana Shetty

    IPC: H01B1/18

    CPC classification number: H01B1/22 ,  C08K3/08 ,  C08K3/10 ,  H01C7/02 ,  H01C7/027

    Abstract: Disclosed herein is an electrically conducting polymer composition and method of making a composition including an organic polymer; and a first filler including at least one ceramic filler, at least one metallic filler, or a combination including at least one of the foregoing fillers, wherein a trip temperature of the composition does not change by an amount of greater than or equal to ±10° C. when the composition is cycled 100 times between room temperature and the trip temperature. Disclosed herein as well is an electrically conducting polymer composition including a first filler including at least one ceramic filler, at least one metallic filler, or a combination including at least one of the foregoing fillers and a second filler. The compositions of the present invention have a trip temperature that is lower than the HDT temperature of the composition and can have tunable trip temperatures.

    Abstract translation: 本文公开了导电聚合物组合物和制备包含有机聚合物的组合物的方法; 以及包含至少一种陶瓷填料，至少一种金属填料或包括至少一种前述填料的组合物的第一填料，其中所述组合物的脱扣温度不会改变大于或等于±10 当组合物在室温和跳闸温度之间循环100次时。 本文还公开了一种导电聚合物组合物，其包括包含至少一种陶瓷填料，至少一种金属填料或包含至少一种前述填料和第二填料的组合物的第一填料。 本发明的组合物具有低于组合物的HDT温度的跳闸温度，并且可以具有可调谐的跳闸温度。

    Composition and associated method
    8.
    发明申请
    Composition and associated method 审中-公开
    成分及相关方法

    公开(公告)号：US20080009578A1

    公开(公告)日：2008-01-10

    申请号：US11483480

    申请日：2006-07-10

    Applicant: Bhanu Bhusan Khatua ,  Sumanda Bandyopadhyay ,  Soumyadeb Ghosh ,  Hari Nadathur Seshadri

    Inventor： Bhanu Bhusan Khatua ,  Sumanda Bandyopadhyay ,  Soumyadeb Ghosh ,  Hari Nadathur Seshadri

    IPC: C08K3/22

    CPC classification number: C08K3/22 ,  C08K2201/001

    Abstract: A composition includes a filler dispersed in a polymeric matrix. The filler may be electrically conducting in a temperature range and may have a Curie temperature. The composition may have a trip temperature at which electrical resistance of the composition increases with increase in temperature, and the trip temperature of the composition may be determined by the Curie temperature of the filler. The filler may be present in the polymeric matrix in an amount determined by a property of one or both of the polymeric matrix or the filler. An associated method is provided.

    Abstract translation: 组合物包括分散在聚合物基质中的填料。 填料可以在温度范围内导电并且可以具有居里温度。 组合物可以具有脱模温度，组合物的电阻随着温度的升高而增加，并且组合物的脱扣温度可以通过填料的居里温度来确定。 填料可以以由聚合物基质或填料中的一种或两种的性质确定的量存在于聚合物基质中。 提供了一种相关联的方法。

    Self heating apparatus
    9.
    发明申请
    Self heating apparatus 审中-公开
    自加热装置

    公开(公告)号：US20050067406A1

    公开(公告)日：2005-03-31

    申请号：US10743198

    申请日：2003-12-22

    Applicant: Shanmugam Rajarajan ,  Richard Devos ,  Jennifer Floyd ,  Sumanda Bandyopadhyay ,  Soumyadeb Ghosh ,  Sanjay Charati ,  Suresh Nagesh ,  Balaji Parthasarathy ,  Anand Joshi

    Inventor： Shanmugam Rajarajan ,  Richard Devos ,  Jennifer Floyd ,  Sumanda Bandyopadhyay ,  Soumyadeb Ghosh ,  Sanjay Charati ,  Suresh Nagesh ,  Balaji Parthasarathy ,  Anand Joshi

    IPC: C08K3/04 ,  C08K7/06 ,  F25D21/08 ,  H01B1/24 ,  H05B3/10

    CPC classification number: B82Y30/00 ,  F25D21/08 ,  H05B2214/04

    Abstract: An apparatus with a self heating feature includes a conductive component of the apparatus having conductive composite. The conductive component is adapted to couple with a source of electricity, and the conductive component heats up on passage of electricity. According to another aspect, a domestic appliance that requires heating for its operation, includes at least one part comprising a conductive composite, which heats up on passage of electricity and the part is adapted to couple with a power supply. According to another aspect a method for providing heating in an apparatus includes heating at least one conductive component of the apparatus. The heating is done by passing an electric current through the conductive component, and the conductive component comprises a conductive composite.

    Abstract translation: 具有自加热特征的装置包括具有导电复合材料的装置的导电部件。 导电部件适于与电源耦合，并且导电部件在电力通过时加热。 根据另一方面，需要对其操作进行加热的家用电器包括至少一个部件，其包括导电复合材料，导电复合材料在通过电力时加热，并且该部件适于与电源耦合。 根据另一方面，一种用于在装置中提供加热的方法包括加热装置的至少一个导电部件。 通过使电流通过导电部件来进行加热，并且导电部件包括导电复合材料。

    Electrically conducting compositions
    10.
    发明授权
    Electrically conducting compositions 有权
    导电组合物

    公开(公告)号：US08728354B2

    公开(公告)日：2014-05-20

    申请号：US11942766

    申请日：2007-11-20

    Applicant: Sumanda Bandyopadhyay ,  Vishwasrao Vasant Gawade ,  Soumyadeb Ghosh ,  Ramya Kumaraswamy ,  Franciscus Petrus Maria Mercx ,  Suchetana Shetty

    Inventor： Sumanda Bandyopadhyay ,  Vishwasrao Vasant Gawade ,  Soumyadeb Ghosh ,  Ramya Kumaraswamy ,  Franciscus Petrus Maria Mercx ,  Suchetana Shetty

    IPC: H01B1/02

    CPC classification number: H01B1/22 ,  C08K3/08 ,  C08K3/10 ,  H01C7/02 ,  H01C7/027

    Abstract: Disclosed herein is an electrically conducting polymer composition and method of making a composition including an organic polymer; and a first filler including at least one ceramic filler, at least one metallic filler, or a combination including at least one of the foregoing fillers, wherein a trip temperature of the composition does not change by an amount of greater than or equal to ±10° C. when the composition is cycled 100 times between room temperature and the trip temperature. Disclosed herein as well is an electrically conducting polymer composition including a first filler including at least one ceramic filler, at least one metallic filler, or a combination including at least one of the foregoing fillers and a second filler. The compositions of the present invention have a trip temperature that is lower than the HDT temperature of the composition and can have tunable trip temperatures.

    Abstract translation: 本文公开了导电聚合物组合物和制备包含有机聚合物的组合物的方法; 以及包含至少一种陶瓷填料，至少一种金属填料或包括至少一种前述填料的组合物的第一填料，其中所述组合物的脱扣温度不会改变大于或等于±10 当组合物在室温和跳闸温度之间循环100次时。 本文还公开了一种导电聚合物组合物，其包括包含至少一种陶瓷填料，至少一种金属填料或包含至少一种前述填料和第二填料的组合物的第一填料。 本发明的组合物具有低于组合物的HDT温度的跳闸温度，并且可以具有可调谐的跳闸温度。

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